*{
  padding: 0;
  margin: 0;
}
input{
  outline: 0;
  border: 0;
}

ul {
  list-style: none;
}

a{
  text-decoration: none;
}

body{
  font-family: '微软雅黑',Arial, Helvetica, sans-serif;
  font-size: 14px;
  background-color: #f5f5f5;
}
img{
  vertical-align: top;
}